S
M
T
W
T
F
S
27
62°
53°
28
62°
54°
29
56°
52°
30
64°
54°
1
70°
59°
2
69°
52°
3
60°
38°
4
66°
53°
5
58°
41°
6
56°
39°
7
61°
52°
8
66°
51°
9
64°
46°
10
60°
48°
11
66°
50°
12
63°
50°
13
61°
49°
14
56°
46°
15
62°
48°
16
59°
38°
17
63°
45°
18
60°
40°
19
51°
36°
20
50°
35°
21
50°
35°
22
51°
42°
23
55°
38°
24
57°
44°
25
52°
44°
26
52°
42°
27
50°
40°
28
48°
37°
29
50°
43°
30
59°
44°
31
58°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Williston
Williston's October 2026 forecast shows daily high temperatures ranging from 48° to 66°, with overnight lows between 35° and 53°. The average high for October is 57° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Williston. See also: November | December | January.